in the white house knew about irs actions before getting the heads up on the inspector general report last month, are you absolutely sure of that? >> that's what we looked at. that's the first we heard of it. as has been said, the secretary was made aware as the investigation was beginning. no one in the white house was aware. what we actually knew, there was an investigation coming to a conclusion. not that we knew the results. >> until wednesday. last june, the deputy treasury secretary is told, as far as you know, he did not tell his boss treasury secretary tim geithner and hi didn't tell the white house? >> that's correct. >> from the white house, to irs, or treasury, rob portman is coming up on the program and he's written a letter to president obama, wanting to know what if any private pressure was exerted by the white house or treasury department political appointees on the irs regarding the standards for approving monitoring tax-exempt organizations. particularly 501 c groups. >> take the word of the independent inspector general who said he found no evidence from outside the irs.